Updated June 9, 2019 Find Baby Names Boy name origins & meanings Middle English : Son of Dennis Boy name variations Tennyson Tennyson + 31% this year Masculine Rare READ MORE DETAILS Tennison Tennison 0 % this year Masculine Rare READ MORE DETAILS Tennessee Tennessee - 26% this year Masculine Rare READ MORE DETAILS Family name origins & meanings Possibly an Americanized form of Jewish Tennenbaum.